Bump turbo-rails from 1.3.2 to 1.5.0 in /demo

Bumps [turbo-rails](https://github.com/hotwired/turbo-rails) from 1.3.2 to 1.5.0.
- [Release notes](https://github.com/hotwired/turbo-rails/releases)
- [Commits](hotwired/turbo-rails@v1.3.2...v1.5.0)

---
updated-dependencies:
- dependency-name: turbo-rails
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

demo/Gemfile.lock

@@ -127,8 +127,8 @@ GEM
       rake
     foreman (0.87.2)
     gli (2.21.1)
-    globalid (1.0.0)
-      activesupport (>= 5.0)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
     googleauth (1.8.1)
       faraday (>= 0.17.3, < 3.a)
       jwt (>= 1.4, < 3.0)
@@ -217,7 +217,7 @@ GEM
     llhttp-ffi (0.4.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
-    loofah (2.21.3)
+    loofah (2.21.4)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     lookbook (2.1.1)
@@ -347,10 +347,10 @@ GEM
     statsd-instrument (3.5.12)
     stimulus-rails (1.1.1)
       railties (>= 6.0.0)
-    thor (1.2.2)
+    thor (1.3.0)
     timeliness (0.3.10)
     timeout (0.3.0)
-    turbo-rails (1.3.2)
+    turbo-rails (1.5.0)
       actionpack (>= 6.0.0)
       activejob (>= 6.0.0)
       railties (>= 6.0.0)